Please provide answers for only e , f,g thank you

2. A project is composed of the following activities: Activity Immediate Predecessor A A B B D E F G Time (Days) 4 9 10 8 7 3 5 B D E a) Draw the project network and compute the earliest start (ES) time, latest start (LS) time, earliest finish (EF) time and latest finish (LF) time for each activity. b) How long will it take to complete the project? c) What is the critical path? d) Compute the slack for each of the non-critical activities. e) If activity A were to be delayed and takes three days longer than planned, by how much would the project be delayed? f) If the time to complete activity B were to be reduced by one day, how much sooner would the project be completed? g) If activity B has the original duration of 9 days but the time to complete activity E were to be reduced by three days, how much sooner would the project be completed